Verified
Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
circuit-breaker
Siemens BQ3B070 70A 3P Circuit Breaker, Bolt-On | AmpState
| Part Number | BQ3B070 |
| Amperes | 70 |
| Poles | 3 |
| Product Type | circuit-breaker |
Regular price
$555.00
Sale price
$555.00
Regular price
Unit price
Save
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Siemens BQ3B070 70A 3P Circuit Breaker, Bolt-On | AmpState
Regular price
$555.00
Sale price
$555.00
Regular price
Unit price
Product description
Shipping
Meet the Siemens BQ3B070 70A 3P Bolt-On Circuit Breaker—engineered for dependable circuit protection in everyday electrical work. This 3-pole breaker is designed to live in panelboards, load centers, and distribution systems, delivering reliable performance when you need it most.
- Amperage and configuration: 70 A, 3 poles (3P) for balanced three-phase circuits
- Installation: Bolt-On mounting for quick, secure integration into compatible panels
- Part number: BQ3B070 from Siemens
- Ideal for: Replacement projects and stocking spares to keep the BOM aligned with the original part number
- Availability: Offered by AmpState with support to confirm fit and compatibility
Why choose this 3-pole, 70A breaker? It provides straightforward, dependable overcurrent protection for three-phase distribution, helping you maintain system reliability without sacrificing ease of installation. The bolt-on design simplifies retrofits and field replacements, reducing downtime and keeping your electrical distribution aligned with the original equipment configuration.
Practical use cases:
- Replacing aging or failed 3P 70A breakers in Siemens panelboards and distribution equipment
- Building a reliable spare inventory that matches the original BOM, ensuring smooth future maintenance
- Coordinating replacements in facilities that require consistent, compatible parts across multiple panels
Common questions this part answers:
- Will this fit my Siemens panel? AmpState can help verify compatibility—provide your panel model and existing breakers for a quick check.
- Is 70 A appropriate for my circuit load? This breaker is suited for three-phase circuits that require protection up to 70 A, supporting safe distribution in mid-sized electrical systems.
Choose the Siemens BQ3B070 to simplify maintenance, preserve BOM integrity, and ensure steady, reliable protection across your electrical distribution. If you need help confirming fit, reach out to AmpState for expert compatibility support.
Contact sales@ampstate.com
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase.
What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Good communication and clear updates while the order was processed.
Project · Coordination
Verified
Looks and feels like a proper industrial-grade part. Works as expected.
Service · Field install
